The secret of longevity.

1. Make black tea with cold water

A study by the U.S. Department of Agriculture found that black tea contains more antioxidants than green vegetables or carrots, which may help fight wrinkles and cancer. People who drink two or more cups of black tea a day are 30 percent less likely to be exposed to the flu virus than those who don't, according to a new Japanese study. Brewing tea with hot water can release more caffeine and tannins than brewing tea with cold water, leading to periodic headaches and insomnia, while brewing tea with cold water can slowly dissolve the beneficial substances without being damaged

2. Eat high-fiber foods before bed

Experts say eating low-calorie carb snacks, such as cereal, half an hour before bed can help you fall asleep. Most people only get about half the fiber they need (25-35 grams) per day, so it's best to grab a last-minute boost before bed.

3. Drink two glasses of water before each meal

Weight control is a constant battle for most people, but researchers recently found that drinking two small glasses of water before a meal reduced hunger and food intake more than dieting did. Brenda Of Virginia Tech university. 'Drinking water is one of the easiest and cheapest ways to control your weight,' says David. People who drank water before meals consumed nearly 300 fewer calories a day. Professor Mike Lean, an obesity expert from the University of Glasgow in the US, also pointed out that as well as drinking water, eating fruit, vegetables and porridge before a meal also has fewer calories and can help boost satiety.

4. Take multivitamins after meals

Experts say, eat fine in life, will lose a lot of B vitamins; Excessive soaking of vegetables will soak out a large number of water-soluble vitamins; Foods that are left out for too long, or cooked in ways such as frying or baking, can reduce vitamin content. A multivitamin is like insurance, and it's best to take it after a meal. Water-soluble vitamins such as folic acid, vitamin B, and vitamin C are quickly absorbed through the stomach into the small intestine when eaten on an empty stomach before meals, and are excreted in urine before being fully utilized by the body. Vitamin A, D, E, K and other fat soluble vitamins must be dissolved in fat kind of food to be absorbed, if taken on an empty stomach, most cannot be absorbed

5. Eat raw Onions to prevent heart disease

Many people carefully pick out Onions when eating vegetables, which is a big mistake. Harvard Medical School of the United States, professor of cardiology Dr. Keto Gerwich pointed out that Onions contain a large number of heart-protecting flavonoids, eat half a day raw, or drink the same amount of onion juice, can increase heart patients about 30 percent of the "good cholesterol." Onions can be a lifesaver, especially if you're eating something as unhealthy as grilled meat. Experts point out that Onions are good for patients with high blood pressure, high blood lipids and cardiovascular and cerebrovascular diseases, and the best effect is to eat raw and cold.

6. Eat breakfast within 90 minutes of waking up.

A new study from the University of Massachusetts found that people who wait 90 minutes before eating breakfast in the morning are 50 percent more likely to be obese. This leads directly to an increased risk of death from bowel, bladder and liver cancer. Therefore, breakfast must be eaten within 90 minutes of waking up.

7. Work without illness.

A British study found that people who stayed at work after falling ill tripled their risk of heart disease over a three-year period compared with those who stayed at home. Therefore, if you are sick, you should get treatment in time. Don't try to be brave.

8. Avoid air fresheners.

Scientists at Wheeling Jesuit University in the United States found that air fresheners not only affect people's sense of smell, but also damage the lungs. If your room smells bad, add cinnamon for the same perk.

9. Eat salad before meals.

Eat salad before meals to help prevent spikes in blood sugar and insulin. Olive oil and vinegar in salads are also good for blood vessel health and a lower risk of cancer.

10. Curry in the dish.

Rutgers University found that curcumin in curry powder, combined with isothiocyanates in cruciferous vegetables such as broccoli and cauliflower, can boost the fight against prostate cancer. Just add curry to your dish once a week.

11. Sleep on your side.

Sleep apnea can seriously affect the quality of sleep, making people more tired during the day and the body less resistant. Sleeping on your side reduces sleep apnea and improves sleep quality, according to a new study from the University Hospital Bern in Switzerland.

12. Drink mint tea.

Peppermint tea contains powerful antioxidants that help reduce inflammation, increase alertness and reduce the risk of diabetes by 52 percent, according to a university at Buffalo study.

13. Brew tea leaves for at least 3 minutes.

Tea soaked for less than 3 minutes will lead to a significant reduction in antioxidant content and disease resistance.

14. Five colors per meal.

Eating a variety of fruits and vegetables may help protect against cancer and reduce the risk of stroke, a Colorado State University study has found. Every meal fruit and vegetable had better have 5 colors: blue (or purple), green, white, red and yellow (or orange) and so on.

15. Drink 5 glasses of water a day.

Scientists at Loma Linda University in the US found that men who drank at least five glasses of water a day had a 54 per cent lower risk of fatal heart disease than those who drank less than two.

Persistence is a kind of power. Stick to good habits, it is a treasure. Don't think time is money, in fact, health is money. Without health, you can have nothing.